{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1468176",
    "entityType": "User",
    "nonce": "0x09c920ea1d000e5685978cb23c7845c07ef6adca321c0c40eab5135c8f323696",
    "signature": "0x875ed079c198b162c3401774144df715f2f6b273746354d4932cf876f8731f1e443be885585edb88bd498c07012abd0e62b5f6ee72bbc7f2b983a6f50046f9701b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}