{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984593706",
    "entityType": "User",
    "nonce": "0x478210509d1d1e60151506478566ca2c5151fd895d819b835aeb93ad4a935e3b",
    "signature": "0x3e29f998f153b2ce77d0ebc5e8989f035422e3b3e6114a761a6b7dcda69b0e53687b0a7350b701e2114d2965817e7c88dba8420cfc3d391cf2c3d10ab247de391b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}