{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159308",
    "entityType": "User",
    "nonce": "0x1bce9c539d085d1bdc9c848cd5b98617259b85a1550ae2bcd1bf4d5399325636",
    "signature": "0xe40c3d7e86f28ba8b9213f9c34129af4974a1cc9dd736f8c9c071f7ec5ef563b19c093b203505835850a0705187f7f8b8390c2100a3348d244555f4044605c041b",
    "signer": "0x0abFfd61763222C44297BcfC330FD8fcd1C63D43",
    "userId": "165779894"
  }
}