{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xf0847193a6facd874cbc6199f6cf11f9676de942799a900d965e4c0d8304a91c",
    "signature": "0x3c3788eebf78c58bbb316a7a713593901a74b84bb8444cc39705efd93152358d28d25a50f4200e75e93c63f30123cde90de0667b80c4f7299b6a792c120e73cf1b",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}