{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316836",
    "entityType": "User",
    "nonce": "0x4f796578b8408f4545f95ce51a54a4a98ecb27fe5e73817d74586aedf94f3c31",
    "signature": "0x4c02da1a64cea69ed42d8f03c0e3b366b0d0ba88073f1e7c8a584de048e85d0264a7472be8af5b14538d2c14476a8b09c284cf4fd243fa9a62d949e336dcc09d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}