{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17806",
    "entityType": "User",
    "nonce": "0x07de2283681f76dac6f8e691919488dc977fb032e2e247db627116faeb4ed0c6",
    "signature": "0x3f1d5ecf26d9e444dc6d4c9ce59761fba284a0b8df51623e3561f5084e3c57326216c8fb1a5cf502e4435f66c778222728d9e19975bc9da2d274d68a823849fb1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}