{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116500",
    "entityType": "User",
    "nonce": "0xd6406fa68315154db33506ca120d249c5d767a9eefe805feaee53dff669731ab",
    "signature": "0xc446bcb05f8db47a214f6b8c3c43f4354128974c34f45de73da98f5661e8c2a226d515663f1bf3df5ff1811584857f12b177c4f996f30738a208cbb568cd17ff1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}