{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6aeb7f6e47ad0eb86e034215e4c648681e2931a4f0c240dd754a364dc3723efa",
    "signature": "0xadbcdfe331e7dbbbd9370c08997679be2f419b2fe1768d8e3f192f6d17a4323c4da5e9e154913a4e3675ea65ee18fd67d0310b8457d281eba4da1532c8de483d1c",
    "signer": "0x260E0EA538b8249145E39aD84bD442E4a38E8170",
    "userId": "154933860"
  }
}