{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdd518ebbba6b2f908f18e8ddb1b33eaa6a1cdb0090e7fd8caca6fcd8ce79ee6f",
    "signature": "0xb517401e929a5f6760bfb32d0f784401da78ba5259e6a38e05ee7abd5e391391205663e5dd9139a14fa6a3a3a787ec5a3d1d911d39ea8c64fc85a3d371758de11c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}