{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295856",
    "entityType": "User",
    "nonce": "0xd192b12052e0e74a878b9f2a3d369a74d32763208911be9ae1f68c5f9d7a0a9c",
    "signature": "0xe14f74634bbcb49736ec80ed86050ce0db9a2b5f86b74c2df50fd0a1db03f0af407cc6724c0dbb24ce0d15c47ad39b686e5fc6eea053072a7c58953e636369451c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}