{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85218",
    "entityType": "User",
    "nonce": "0x532e0ac76660c1fcc164c2c97e8f9acceb0965b5f1782c968bc0ced5f586d664",
    "signature": "0x4dd8bad1d0e94097b972c19b22cb06740f616ca0016ca52cfd4ba5a5e3893895170f767e19e9b9a6b487433474af3093bcc464e303b9449a5c746338fa431ae21c",
    "signer": "0xe37e3082E6bEE4aBA583b44542CbCbe93ECA05eA",
    "userId": "885355303"
  }
}