{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x13c010d84e36dbbdf13caf2a5730a9d2e31796594dfcdc861e87020a03abb7af",
    "signature": "0x75e6ad3e29b4c850d6cfcdf9694bc83d9ddf03f7052260a9453c4f56cb9907cf0a0ba59b8b93cc32ccc9fbf5e3c8cbf5bac306d466031fab7c9b4472680ad90d1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}