{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x0c65ea76f3addc12a72f51b1a76c228681334676af4706d27f8f95e6e1d3d039",
    "signature": "0x0079621b473e368a6f0936290ec8eca46edcb6e48a83a5c3981644096d575b72797e9e1f90f97f42703fa783983e2f6e6998a8ef0431cded291c16333003da4e1c",
    "signer": "0x1Ed1f2058c8099D545fF3482b71e7aA41429C008",
    "userId": "347815481"
  }
}