{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0x4f747360f7337fa1a48cb3efa79f5147313526967eca6ced09bf3dfda379e9d3",
    "signature": "0xbfeeb151cd32526e28ca570d349f6c53b6e805ae5965b24d00d4bd1c2a996d412f60cad8c286078de3097bb0ac95003b9d8804291c3afba63b151ce5e083b0921c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}