{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828616004",
    "entityType": "User",
    "nonce": "0xab79f9fe67289fdb67ef65da309df0dd5a449b6b1ebfcbfcfd5054ae21a38d33",
    "signature": "0x5647c525f137bc8222b21ed98483de928e3e6e4d39dbe56736e6859d7bfa08e72fd9412407d1969c92576c960d9b8949c870674525aad00930f721720f0100671c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}