{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157931",
    "entityType": "User",
    "nonce": "0x2ef131a2ad74c389f76c759e9b14d8610638bcc472f999104a77344b876d16c1",
    "signature": "0x1657116aeac76356984bc39faa61363c37cf32da7729d39988000af68f96f0ad08f916e44d266a044a59201901db616acacc32439f7881ae5a3ad4779a6b19021b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}