{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x2c239f4ce30bb217b27c34c1c5d887c8a6460a057b419dc03b6baaeb0718af48",
    "signature": "0x72b0d857e03b2dfe21154a166b4498e87abcbb78bbef79d4c80b0889c677f624471ea1a29d386791604db90839cbb423d3db840309b7565e730d7deb819548461c",
    "signer": "0x52E0361aD6F17b443a903f96dd5AA2Ca65020AE4",
    "userId": "86640190"
  }
}