{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1155",
    "entityType": "User",
    "nonce": "0x4e3f557b42b78dece5197a140be16f79719a7139b0fc25297f10ac78b7894510",
    "signature": "0xa259cd1fefa729293545ae208ce3810849d99be6ad1179c401a1705143ecaaa422eef64c3f7701fb9d0ba17470fcf0c1cb44a4a1ceeabb45b4ed225443b1be9b1b",
    "signer": "0x5c2e2A73436Afc1110f5020da81CA7f791682E96",
    "userId": "871579076"
  }
}