{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189739",
    "entityType": "User",
    "nonce": "0xb73157433d7404eb5bf417b80b477105f4a2d4ca6984e7137b4d823d30489828",
    "signature": "0xbf6c23ce7dd7c54b0f4d590b45c2650f2adc4080c337f42dee062202e43fc5f05840c5dca39c31ab8d64b3895b0dd378e3c63530d1dc5f94b37d0db27e345a4d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}