{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x2129b5d9e0da609d8bd55a67a37f79050e0ab143e686753db5c927f7b31ab9ab",
    "signature": "0x05229bddb1e548d340196e542e234d64978d6dd43df6b27ea9c9ca7492cfcfa04ede63472e5b39efc5d4519de975d668c85e5e21ff427f446e8c8b46fcae32021c",
    "signer": "0x93716e020f1e376Be9ec4fF785F3ad50ad2eF68d",
    "userId": "463531545"
  }
}