{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xa60e60c70661acb204c6f7e19b562d4a7853968507349ccedd9feccee8f40a58",
    "signature": "0x42b66f31ebe1cdec2064c3076fcd2d3ed0afd9beffbf3f9f639408424c7577ca56fa272abeba0446481e8b51971da9302b42b7ff4a8af4ca977a070844af9a8c1b",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}