{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174192",
    "entityType": "User",
    "nonce": "0xec6cfb87d299378edd7d6d1137e47809e702bfeab2e02a399468c32bae58b280",
    "signature": "0xee802d5caed0b2ebce6f90a42896604f28846c95ef4fd0e401c63451b91ca81f63ced60eeec61532909c77a18f8b3ab8d2dab4e45b14a294424aab641b39b6811c",
    "signer": "0x8b0835F94A735A9d87863C553552c6f277709234",
    "userId": "940831456"
  }
}