{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x03b4013b04b2431765986fb482478fb429dbc0f346bbb27f57d79975db4b37e2",
    "signature": "0xa98000de1386d311048a9cfc11604545ea0c2b16de9136afd4bb22de8723afbc305b5097048c1f3eb211b1ca86c59820062f868c96d5aab9fd478722e67376101b",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}