{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65787",
    "entityType": "User",
    "nonce": "0x28f5be56c10ec32013b3a2538d7cd86e795bd040f1a6efa544064eba91e961c5",
    "signature": "0x07aebb358d871529163d856d8ecc109aa375d758d32703f74dcdde335907768305af3f3cd76b15a3f1d301582565c993e6f2b3399e2c043422ed00c2b2fe9a1b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}