{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290062",
    "entityType": "User",
    "nonce": "0x54b739ec20e1ef88257777fd8f10a63e10a1ecdaaa66ce7643930d0d1be50ad9",
    "signature": "0xb83ae989787fcc4d39213864d44ef3219229daa962a40714b4de1dd841baac180ce1453257c90acef309dfae80dc57d056676df896cb1f1d9e7ad1b79dc82a501c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}