{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858479840",
    "entityType": "User",
    "nonce": "0x9a3f0e089a6c15d36f892e90ab45e07dcbf41874fb2a61770440a0285f034cbf",
    "signature": "0xc671f7b064c05da6bb412a819c3dce1218dad0b4d69cca0d1b3a97f1bd5e40b4448d79fa886078e2d2abecbd94b5dff1a5506e3b705bc8713406d95802e6dd401c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}