{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708035526",
    "entityType": "User",
    "nonce": "0xe7f181162792a83de8b32281dfb7ce22af27b6332e5af945a7cbb372a4cb0546",
    "signature": "0xe575aa7da472456b63b65048762f2de67f56c4f01682b2b7ba7a72d32c39c8311a583fe06252dd1d6386dc7d2ff0705bc3f275b8728b63cdf2f543003719657f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}