{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222866200",
    "entityType": "User",
    "nonce": "0x83cece438a7fe8b9b4676d229033f3790460108de7067799ae4ad2564b2d9267",
    "signature": "0x980c0eb361962cdfadbdb915249728f2d3b90b93db505ee3d7e715329c1cb1a825a77eee78ad9c85d0101afa8489427e08892380d12b5139df98797bfb0f56a71c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}