{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405117",
    "entityType": "User",
    "nonce": "0x2d1df9d1026b40a9eb2e8906f2c99786b2ed2a520a12472b57161d4cec0d758c",
    "signature": "0xbcb07b70a3188a1c07fcdbfc955c548221f249fe22c0025a2ce8f55f2112a08456ef28aea9b861495adfabc1c93b8d5d23094cbe9083e6e65f0ed947b1f76b781c",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}