{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "619082187",
    "entityType": "User",
    "nonce": "0x629e2a8e24457020af03655351963b4a8fd6dc037f207fc5c03b783dc04b4df0",
    "signature": "0xa313958535ff60d56d7fa976fe75e4078a0423c6b2b314b17a62222b4149e8077aa598a890b9e9683e2b36e532d9f6fb6a416fb1e8c1accbccf51a9c7544177a1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}