{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174283556",
    "entityType": "User",
    "nonce": "0x59f2a2c4cbf255efe082d8f0c92d427b3edcce380b3a5824d4f407c3c9f488fd",
    "signature": "0x56646f3f93fe99a189d355569c681265b5bbcea27e883c290c8605fbe2c07b2876b219d503c26f030e7527c011e514828c3b55b38a8c8ff6e34dce5ce067f5b71c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}