{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258655155",
    "entityType": "User",
    "nonce": "0x3a1b92d1c2dfe62dc2b52fa9061ae53f0327532322602f19dc81871bdbf37c90",
    "signature": "0xfb0f1c626c4df859d50ac305d2524394460f3bcc5f832dc0672db5432cccc52c323734905d010fda3f39dad83813356edbe934a84944413a3500ee096343b4bf1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}