{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56024210",
    "entityType": "User",
    "nonce": "0xac3d75f1e5b850d2f45f9cc56d66df62b67d1f583137a53923605ff95b8a2c2d",
    "signature": "0x666926642958cb48816a464423995555118e71cfe3129ddcf836a523c8829ae01b5caec34f35fce8059e15420dcd1ee03573015c220b354d78cf3e79781e667d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}