{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204179",
    "entityType": "User",
    "nonce": "0x3aa988dfba48ea82b6489b78884c55d147ec34c785e0ec13b973fd0b1bf25cd0",
    "signature": "0x3ac30126ff86b40bd8449f7f8af2fcfc19ca93432a239eb68819f1cf3ab1e46c407e1b2403923a4df2a88157b9d083e4ccd38cb8bf4da56083fde643d72261b71b",
    "signer": "0x585F72351c9bf729cff2630Ed829a1704323219B",
    "userId": "2017802"
  }
}