{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0xc285160d1016785789d2ae0de0ff5a24e748a7966e9aea853d169bc1780af107",
    "signature": "0xc1e55e8c95d74f61a592ab5333ec2a62a5a4dd6f91525b688ced351d7348ffd520a7526b315e0dd81414d46ec86655da00f2e49bc0636432aedffbb232bac52d1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}