{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x0530aa37994e941b85bc363b2fd30967fca41ecd34b7e4ec1f9045d60c27e649",
    "signature": "0x5be59bf0b0b74f5a4310ae6c031034b2c9256ea2cbf429c16df1d89c3409fab73cabd1c70d3d76ce6d544d4341f56c6fc66b1e1b609114023a2ba196fbdc7dcf1b",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}