{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938519346",
    "entityType": "User",
    "nonce": "0xae2d51b3c503cb1fc53bc3cfdf11963240b338a9e0a6f8db78a0fd64544a370e",
    "signature": "0x5f2ee1ebb309fad3f330f9820575136b1bad1ca5cb40df262f35aaa77181eedd71fee6258d6403b7d1863724c27f38445bd95384bce31b0babc24a59ebbd26841b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}