{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xe8338867d8c1aa793eda37be03df3c386bcde5b980f5bc3319970acdadc73e7b",
    "signature": "0x1fec8e22cdb43e4d42a1053a8897c8d283c69aa799cd7501e9014c9da11fe7b234b8f29729b7b05e552680ae29b42a24b3fb01bccc99c6458b6c261da36dc7331b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}