{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702798",
    "entityType": "User",
    "nonce": "0xf3cbe77ed7df8f67bf4d15c99246d9cefc5d0a0ff374c7cd9b7773aed0072424",
    "signature": "0x5bc970eeec6bbfd9533acde62a8f546a2ad28402a3275cb3130b5cf2a42f9013125cc99147f8d8eb80ebd635c81615a5fbca993e2d7d872e9be9cf40bbccc4f01b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}