{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118498",
    "entityType": "User",
    "nonce": "0x9c1a7f30ccc9509840120c9d8e5b68bdbdad90a9f91aaa64f01ee3f915ee9ba5",
    "signature": "0xe5b0b3c52c1013caf9aed016ecbbf4d80ace86a4a1e178ad8c87271699bf81851c96851652ffb4995a4859995ba6fcd00a291362d0b64b582d84f1d328c36bde1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}