{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x29a124bd8e1c5a0dd91203e26e4ce8cb2398650bbd2bc4a2c59d4ab7e655a98d",
    "signature": "0x8885e3a7ed150eb26a9af9badf409270265d97c5effa3063faef8719dfc39b9b0bacbed219f4662d4d8e66c7d995a68660d053fda86a4fef41181cd9030676481c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}