{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1ced63dc378cfd5c7cf7d2947e965f7dedf695266f1b378340dd4a41b748202a",
    "signature": "0xf13ec42016630e03ccad4300062d12de2764b614900d4992910a433991aa5bb9326ff86e06dfdd60b5021c7c5df55a9a46ac90a4e7cc2b758e9def03bb77de981c",
    "signer": "0x2DB03c666A90F700d142B83c0d67d59089002d37",
    "userId": "941482248"
  }
}