{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312814567",
    "entityType": "User",
    "nonce": "0x5443ac373c965daa4ee0cf97000584cd09411ee6052d12b56eb287b6f8feb663",
    "signature": "0x29b4ff7b72af3bb34c375208b24d93d73d94e768afccf5aee3f4c2f9fd1ae70a768c4c652c864143446cd8dc86a9be008daab237b5c9742fb3a6d77276bb263e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}