{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xf1a2095f37a52d62c392d27841a074de37f5ba5818c957cd524bf3eb6ce5df68",
    "signature": "0xa992503fe9df9f2e03219812081247f51ad57407641f41cf15b1cc75752de410171d2888edcee679dba4b4618eb3d666b9f70f75a9c002023d03c9c89a0e6d2f1c",
    "signer": "0x1Aa01c3B92ac91B734FD825c16CDfb6a745B1cE7",
    "userId": "217574494"
  }
}