{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625201833",
    "entityType": "User",
    "nonce": "0xd0d775993a100e662f6db3703393c3ae4851f31135d9382ee6043d8c41c5f22d",
    "signature": "0x74d2c7fea579e51e19ee6e50974c0d3c482a21c43d6d02f82b5759a0eebe4e0c781a53fa152bc57aabe0c4eeeaf437cc2982d1fea2ce63b3d492cc7391f1125d1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}