{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x648d8bd05fcda385001dfc4c6dee5f3124e4e7b10366a0ed35b6a549075b373f",
    "signature": "0x7f7c62d51b1cb362e5b708ebb8c845ae78c36270edb18bbb31f7d2d7c50bb0503667b55ca96c582948dccf8497ff3b0c3de3503a9ffc11911d9a96d60a00b14f1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}