{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90435",
    "entityType": "User",
    "nonce": "0x202ec86d6776ad3c52909e4e38ba609d8a564f79b7153bab7c1b8015a9aae6d9",
    "signature": "0x8121a758d496030b29ee652128383a662eacf6dff1bfbac6b4ee1ef089926f4c35ce67b660813dc68ad1607b2134ad1560fb8ae8d721e0202f78baed152fd2401c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}