{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324938722",
    "entityType": "User",
    "nonce": "0x937c0f4b32902f26bdd035b5d82209b45d5b4f37c3fb67594c13aed59c69c1bb",
    "signature": "0xad9aa97d3a57780782947bd9bed2a9d9c9afa11dfb295388363a445107d638234e10d03f65f65622aee42688a795eef8a8f92076538f6ac62fdd581795b170851c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}