{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x8734de9ef73a114d9d05ca831ed44f4a9350c6435730a50959776ab513f97b95",
    "signature": "0x3f936755e4d329c695cc70ea42fe305933e4cb2479218c8ce041f0fd4cd0d77d6e1b140299a6871551b32b60e4faa11beeaea088b82c748cf5a0a6ad011f59461b",
    "signer": "0xD4D0507E1111FFF6D30D7F7914D03Fe8F773326f",
    "userId": "310671443"
  }
}