{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x495445093bd799be703e9fcc9eb2e33e820418eacf29d63514917e74024ddfa5",
    "signature": "0xa69d37a8127f0414d4fd420b823a9e1fe8c8369189ac934e678bdf26daa03672128735649fcaad8149504814e771e86b1add23e62cfcd148ffbd9eabf06c51f11c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}