{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394114",
    "entityType": "User",
    "nonce": "0x30f27bc9e7c38dfea417196bc1703b35fefa64be455beb0629204989ce610cd7",
    "signature": "0xc87848bcf6f677141abbc42788fec432aa9dda415c5f75ee892c57284dcba9b469c4410e03e43207b62fe832b164a148d798d9d07cece4150b55e77afa8246631b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}