{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120157063",
    "entityType": "User",
    "nonce": "0xca0b1bfed5f4f3ff7af3ca9451476b66d1b1603508c95934cce386581a4886a0",
    "signature": "0x45e55c53b05e82a52d1eda562ff09288e86e2bc1a027e658a3206e457503e32b04911a6cb0dbe8064d69879c36f2db07e2e7e347351e1012e0ba5e5f6197c02e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}