{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0x61be6a41b9fbfb715c5b447bc4f7f423977f1c65c9ed1bb22f0cf2b7566242ed",
    "signature": "0x920dd3c2442c114118281d3f3cfc47e338fb8e3104726256cf2747e01c0b2ab1332d7dab43fb886ee703e9f3cb780722371ada7bb3d749e70a3e3ca86185d1cf1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}