{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943606732",
    "entityType": "User",
    "nonce": "0x1abf0aa1d0376d02db6d8e67a64d2d3a4f63d5f26377129269e78d583702a634",
    "signature": "0x557d19811117ae6ff8a60cec97dd51ed156d871ec195cfcd7dc5195cec78f32c7dfca93c578e92da41f33816746fe5472352c3b5e0eaf8c1bfa3106b5f16eeb01c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}