{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xc6cc420a98557b3de7324b435e2af92d403e4c5470711febc719efbe692281dc",
    "signature": "0xb4c96b04a112a64502fdd4a379cb7f88b0686758aac77431bee2abdeb0870d5753d159fd35b04b62a9f6007b69f1619a588e07c81656c30e5f6d83bad85f88b41c",
    "signer": "0xb5902ac1A81A6B795210DdEB50e8F1FdaC9aed97",
    "userId": "842982090"
  }
}