{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x81acd2b0316c73dbb9dc1ea82bcd31b2800102b7b7b5d3df43352f1cc275dac3",
    "signature": "0x77dda395a14e43f285f747afed482dbab33a23c6a38cfe795aa092e00e81ccc53410fc9f1a59732028d248b1deac5c307feea733e308859f7ab6ceffc474ad301b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}