{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x28c58f526e43692519f3ef0346c03aeeef5cc0f736f024825bc0e72a61a223d5",
    "signature": "0x574acd6c484f56094de1772522b7db47c6ec1a4d6706c578af7ff1f46ee5665d03d100c388ec506c11502026b0408d0816f394513c897aff398ccb3a7fb189211c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}