{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167051786",
    "entityType": "User",
    "nonce": "0x7781a39b5bad16cbbdfa1895918c64431d003cb3d3ca3375ba04997709a7b110",
    "signature": "0x5b752e67f87c4cc69ce2c96ecb32e941605868f3f3fed2c7592fa2a96b199f1a0aecf14c3e3f20af135679643f349816b8e842bda23f524db1a780de31d5d67c1c",
    "signer": "0x853C19e911C7E14B6A188cF2acB47f8acA6c8e2B",
    "userId": "705251640"
  }
}