{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x58929137e7247e6620970f36db0466cd6db3178ea5cf78aa44286002ded8376b",
    "signature": "0x4151219f0b9c0dbc465ad4cf9756b427e26d223b6e2223c3ca045e8c83af38472f408011283cee329b06660ec50cd3937dff55d38b307d8cde1059b50c9625951c",
    "signer": "0x8A125b25032A76CAaFe233Ee4EBe2CB2a4baE9d5",
    "userId": "33189096"
  }
}