{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126290",
    "entityType": "User",
    "nonce": "0x12d1504d62f7fd19a377732df531e2842f9b3f6ecb8a3eedbffa1d70cce1f1f2",
    "signature": "0x2cb4786483c68509b09fc1f61e5667a7ce58f9a9d4bad7e366543c1106dccf7e0a552c243659c5d882d0f7fa80ce67c8edabfb6b867f8fe25aa8cbcc2a6d0c901c",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}