{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77916",
    "entityType": "User",
    "nonce": "0x79938ff2b3e336fad038c79a0f41e81c390129e1a750e7b5f642d0da79dd8a11",
    "signature": "0xd0ce8aec8d75656699dc54d234334b78469617c800b6b032b37ae39be8dffc000c66bbefa629f5b8e8f1b70291f25ff538ec0d53f9f772f679506b20565e438d1b",
    "signer": "0xe193cf7Cee171594a10dE7066Dcb521fCa826762",
    "userId": "140827"
  }
}