{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x3d7c1c56bc27be80dd259e3398b663b4b72474ad9f1126d5e8e78cbc941aa399",
    "signature": "0x90cdab726a6ac9db6fb431cb7e637f5f2bada97e0538aa60167aaa90307e96f734a5e2b9a1a93bcab53c878ec8db0e21466bde42770b416709b6c66c31bb07a01b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}