{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281315",
    "entityType": "User",
    "nonce": "0xd0be845ff15c2727a48a7dc075de11c6ac6270e32fd6596df1f81fb61794055e",
    "signature": "0x9f3f0006e1ffe62fa1bbdefc3d8bc2b4d3e5fdc5991e9a0a75c20bacc898af0a106c9c01ac0fb8b0d80b0e0f7b38c9fffa58d94fd07e50ae9d29e01746e353181b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}