{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77916",
    "entityType": "User",
    "nonce": "0xd593c013e6f88779b884cbcc42b211e538d92fade434201c46acdae24a9122f7",
    "signature": "0xe4da337ed5e69858eed125f757030c7274fcea0abd9082753ad6cb28f5589e9d5ae08e2da521ccc10acd51155a98f360bb11c2cb9eba2ca3c88cb3701716ad2a1c",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}