{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55293",
    "entityType": "User",
    "nonce": "0x679f9ad954a25390c5f30a4cd227342027ec84b04c823d410f3aff0b466a682a",
    "signature": "0xc9783c6a55e925ab5bfb7f012f9465b2c2f2e20dd699a10d08600eae2a2cd3b56c55aed98289e105ef99c31591f44c4ac55c0a45fd096d680ea2a612d70454d01b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}