{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33f185a0a415fa94f2fb6e3d7510e1b7cfa58c0bf607be0e097c1ce29aa77f43",
    "signature": "0xd800f8daac77565ff126ad5643d252dfd592d3246fd80a5c5466cef2868d4a00419f23e20f93d51bc349b90ab44cdb82e08c57cd0675f431812adb8fabe872021c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}