{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x86cae9ea592317045ffae57ef13412a4f5cf00df953fdd2f6d97ad327681681e",
    "signature": "0x18340c6dcb4fdf5e38f4b68c8d10200e3e70ce60a41219ea1d64ba450316561d77f02b2f83b71a91d719984a97847cc7067ce16c1d333e6609665c00331506f81b",
    "signer": "0x58eE21bfFe569da412DF67281f3fD403a5f2F8F6",
    "userId": "764092920"
  }
}