{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319458",
    "entityType": "User",
    "nonce": "0xd46e978209d785b4b2462ea98ac91e9d96477dc976b2f0ee68e0f36df2e1c713",
    "signature": "0x5e28fa274d204e4c68c69820cfd088ea8a7b482f0a976d0005e5043b8631a7cb2f10539dfa51ccddcdb05751bc785c520937cf28e3f5115ec1403f9bc6e50aee1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}