{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb83167624b7300d7f77982c014954f3fd256b76d1325ec039822d7927252a838",
    "signature": "0x5d28cafac0ca8866ed8f5c3c69c7f60dba6c1899391910dc58928d6a1e80f03b3318c487aa258d516e76e2b3b750b01d1f5b1c14a42c1b9fbe59c51be4d22f421c",
    "signer": "0x3EA35e609478cB4F9e7203de8c4322b1272D3d9C",
    "userId": "631110780"
  }
}