{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8583",
    "entityType": "User",
    "nonce": "0x2f561ce960984ab4b6e5567c69de6b5383ccbc3897e6eb92ff4a2f8a3eb2cd4e",
    "signature": "0x291521b90a4ed20f3cba7edf3b83f372d23e5b176537cc79ee8e0a157ab78c001818ddfef0665534698e4ca48636f93eabd7f55a1b335bd03b7737e70fc525911c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}