{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126727",
    "entityType": "User",
    "nonce": "0x4a41f83789afa92e976a31f43e1654851974404924578fea5b92adaae70b3a59",
    "signature": "0x619d41932e099221732822dae10aefd9b4be1ba1b1886926940d550ff344835a713bba656a481073ddba9db355e0aacc36f384f69ecaaf976099ddcc4ea3a1a61b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}