{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x3868b40d092533412b567bf804434dec38bcd6387cd127fbebeaad3e7a0358b0",
    "signature": "0x8fa5410c93453f6ad67c36925706209c19d13a2738250519fb8e3f73e87fc50a0144b791ce52762a4a16a069b165267eb7c64803f6bc89d543f9ab8f5950ff4f1c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}