{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470670",
    "entityType": "User",
    "nonce": "0xc4009e1e8f3979ccd3137761259fd6dc545f06a7feeb2ca7eddfa2ae7e148f8b",
    "signature": "0x26ea64b9194c31cc8c4c2e0ba2e56f30fe5c1424c940426f2d9836fb6d8f95754f483ff97431efba07527997facb0821fb48d01e397fa2c48bceb17ff751f9181b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}