{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385781",
    "entityType": "User",
    "nonce": "0xd4fb7cbb366f963091a7d168154f8b05ca349b2a8b2d6d244c150ffac40ff06f",
    "signature": "0xf2576abd4c6710fb2645e7d3928b93b4fec9247858f80d8a22671dccf1161dbb35371891d147143519c402d2b362bff6ed3cf5e01a9f4f50526eae96db682e231b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}