{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x32e2da8a54087e97a755a68e01ebd6cb234d0129d25081fa3f4697f5a416de6a",
    "signature": "0x32b43053f8dc2fa294fe459e413ff673024f8b1c6bffb893535d3d22021eb02c6344e8b5c13cfbd0c96dbddfaaae80d61d7c616c87f261e931fcf3e091e80cfc1b",
    "signer": "0x95ED6210bdAfED00EC735e9f4265e4275E02391A",
    "userId": "590248799"
  }
}