{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157919",
    "entityType": "User",
    "nonce": "0x8249bde55161a18a06102fa06deefc298a05957a3e1849939083e8bed861c1f0",
    "signature": "0x868a5b6f24244e8d98df23c052662f599d694ff9bd675c01dc7143508dfef06c06a08f2e16e047411d7bb04ca6b419af9c82c0b1e835d271738fb041f0ac2f491b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}