{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x2d6b0fc417f82b226d40671bf94b3a9765e2ca875abc510cf155d3c7433de9ae",
    "signature": "0x567e008a7ee569d3cf63bbd4f9d3d82708161499a407bfa78d1648ea66f309f068399164fd7f2a8bc20a655619e3cf71134ee04f7a6d34c6019d159053aa350a1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}