{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "975661270",
    "entityType": "User",
    "nonce": "0xe7fd97519ed04821283e9b561d84e96faa51edab5e228ffb8d56b3155de1408e",
    "signature": "0x211085c5951bfe2b0538fe85d4b7fbcc31cf7913d3f8cf78c49a5dd92a7afd00341e06d8301b23f1420e8077f1464b4cde3badf8c79b36d79dcf49f6374c38461c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}