{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xbb0b2ffebfb7d577c768a1e263595bc07da8d48c3d7275ec1303a15b6ed4257b",
    "signature": "0x6b100995c1611b0f40b9012dc4aee4952de07d107f784a30eb7052a394456e5e6e110e25ad9ed6f88728680e1e6a6136e0c678721d73d205d3c46a0c6e5f0edf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}