{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x55085d162b37c03d6e527e884e478ee800d08af42204cfec0237cde4f54e842c",
    "signature": "0x65eee7b5b11cc5b255ecbc5521bb445d50b2e29126e3b280b5ddcf5ad312b67811094dd6f721288f9d47c3e49e580b5e18d218cde19f7eb951a6c53d8e2f1f0d1b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}