{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226734",
    "entityType": "User",
    "nonce": "0xcb9cc238917aaecc9e945697a2d2a00448e7811d76136f877f0bf712b197abd2",
    "signature": "0x9bfbc6876f150119093c127edb97eaae674079fc400ba755f69f5855301be859655df52bc1768b8499f28cf660510493070d8a17964b09c2e912f5745414796b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}