{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x43a9cca5e3cacb5480e9c9269abca42292ce9aa81d8db6f0e2a4b3dd53f6f2f3",
    "signature": "0x2f833d84a83ced5b11e7c8393afbf594a55bc8fad0e611b4286ede50fc487fa477984a9230c6c01baf5033625bc624480556f33e27702a68617f1eee3299b4121c",
    "signer": "0x5022f69C1261986876FCB1C91252B1054bcA42Dc",
    "userId": "805975028"
  }
}