{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0x002bc40bde670c53427a8bf93fc4f7ac85f21890f0c4a00a75f277b4d8d2be54",
    "signature": "0xfcd2949f1c7761d262f259e8362163c2722eab0e66c9a128c416be588efe6979354d8d526018680aed8cea9bc72e332dcc781b313e71d06ee977aeb0c32f7d791b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}