{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73785",
    "entityType": "User",
    "nonce": "0x5e0c110c12810123aa95abf3022c682996de3a660c8822e1b1b4ab794677c239",
    "signature": "0x4ccf0bb585eb5e0cfe99cf4bcf711e53e4282c5bbbfccdd3a6e31159d3893bc82a99e9c5056752d2019136cfce782a130b1272e3362104cc9c9d6f688c4655331b",
    "signer": "0xD9A81296607A057616D2BdFEAa51375208b7fbc3",
    "userId": "343798350"
  }
}