{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994830914",
    "entityType": "User",
    "nonce": "0x26d5e8a0c82501ec243c874025428f5f871e795380a4849825f83d9143d411ae",
    "signature": "0x215690776f0921d2e4bacdba9219e689dfcc40cdcd521721c838aa9caf7345494da91d4c95833207eeda4c4047856e235d18e02f20423ce872407d3a275fd26b1c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}