{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208759",
    "entityType": "User",
    "nonce": "0xb8104eec0d21f7ecb3fa9d45a41687cb747253129b2e74b44b0408f44672530b",
    "signature": "0x3ba4be58a27af55987ac163b997e1075fa7583dbbae055d06e071a362a798a593bfe65b8b8a1985e7065e5a9eb49514601f2bba6d8bc590fa63b2d7b058170211b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}