{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54349",
    "entityType": "User",
    "nonce": "0xd337406a6c6a24f664973011a9fe99689466bddb4572775a943e6eb270c0c1d6",
    "signature": "0xaa03e70f2248809d911e68032db8f4693721bd1bf61edac0228daf96e047544a54e162759e291381a3e54a9c30b79a2918829146990b098a956e0042d10418ee1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}