{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223946715",
    "entityType": "User",
    "nonce": "0xd8ad6b394d951e7770e56112b6a6ad5d6582f5ca6c9b21164414f2a8e99fcd3f",
    "signature": "0x969b613bbcd67685f0dcabd7891739e4130547d9f3ef9fec378c409b0fdb8f2e4c7c36182b5038190131a8a9c45cbe8dcb8be79839c26771d040348d7594018c1c",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}