{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "526625376",
    "entityType": "User",
    "nonce": "0x982151cc0e8d6cecb0c7abed6095d95f8e7fcecd0041350ff161516e32a409f1",
    "signature": "0xe710dc60be2f11d9e8c951185eb89db0fc457107cf6f1b7596de092a0f617ac407ae68d33d54525de6fafd7470da9d3b6b12736fb5dc9a3366febe11d95d3e1c1c",
    "signer": "0xA382d178509FCb05C0FEAc3FdCc79bDa8f5F70A5",
    "userId": "860538977"
  }
}