{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x2e17ce4954f7c483b97997fb602b60186ec8dd68245cf9e320e86bd145e4d039",
    "signature": "0xad53c1a9ae604bcb0a9323279ca797a628d4a75397fad93e2bdf86341bd4fa05625eb3ef0efa0cf38d851a7dba76ebdd52df2aa61c0e80b93b7ff5e93cedf8291b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}