{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164216",
    "entityType": "User",
    "nonce": "0x0400eca6308bdee1e57da5dd3d160a4db01ba23aa589f22b5e4dac934ad3cd24",
    "signature": "0xc31ed4aea5bd328545ac4ae5abf62811e7dedf301ef4e4f26067ba13b4c4ea766e10eb7409b1af5aeea89014236099a916354b80814904c93cf459594ad350511b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}