{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275458",
    "entityType": "User",
    "nonce": "0xb36f5763448572db522e76a39d52e47d0f590e213867cc694d949c6704fbd122",
    "signature": "0xcbc3667cdb12a7ecaf42d2d92fc8acaea3da93d6f77e0b7970b7147f6e5ff4916edb8b688fd14bb4cbb27c537d4c57587d2e3953da3a2d654c643a0f55d3de2f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}