{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305916",
    "entityType": "User",
    "nonce": "0x0496d52394b50ebedf0409fbe8ac1571fd56e4193b1c1d47d84120fb23124689",
    "signature": "0x0ad6ea5be7ab0939280ef9187344504e74c72809dd8fae689ae9204d0ecd48d3520bf9e2dd3a87144dad28fcd77b5d706af624e541b6e3ac70a95cdcd2e142851b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}