{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156598",
    "entityType": "User",
    "nonce": "0xafa946506efa242278b9e868edf371c150fb49d1b2c7021bf980383d67656235",
    "signature": "0xd4ad43fd23e158b3dde99f82e06f5b8fa9bfa655187fadc576c0b2c071cb480e2efccfaecd6f20b6b624ea05647e28614e074e7572bc635fe7f1fe9e0a1f58ca1b",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}