{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x683beed0410eb446b58139565f6f40e7b664e3a4fc46613b261c8ece2e037526",
    "signature": "0x584436b0841d8f7d5f3649d46c3acd1ab0d212fd6357bfba1b28421bae0d7e575e1ec1ca8cc53993a4252cd98ef3c89d944b5e0ce1834c6aef97000b6cf97aca1b",
    "signer": "0x60824E42B28a3C9D7A9eB6A6feFC1cfB7B41F7C2",
    "userId": "914462657"
  }
}