{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58171",
    "entityType": "User",
    "nonce": "0x00f9716bb3bdadcbcedc405cdea7c1576e7aaddcba82a0235bf60defc64637f0",
    "signature": "0xb3049d141e9b4b4821fe19e2204139ca2258e7ce591f775fe4068905cac2572c5d3f1a09aa2c4a92f254024098b2b252caaed615aa6c96d87c013eae06896ec21b",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}