{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153162",
    "entityType": "User",
    "nonce": "0xc64ef67d26198b92b02407f37c28b56d79b50b10b204c94d746818c19daa575e",
    "signature": "0xa2d88e0ae983a4f01ed97cdfc25b6d3e29e8db54074547c1f1ddf8e343a3496f2cca765737394a16b39def74b7eb75fbe64dd86daa552b278e0c245f3a28efc51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}