{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54282",
    "entityType": "User",
    "nonce": "0x2518635dc2a8150967365e5ff253736eb231abb2f08c992df063681d9c0a681e",
    "signature": "0xf263a11a76b2aba37d9719ac6032689781639ad392e40f567503aa7f5178e3574a6156b47a6045d25661367d923a85d76b88cadd4f6d128a888cad93d527bf4c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}