{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58523803",
    "entityType": "User",
    "nonce": "0x7481f9ebcb7f6f3d791b5d8b33adf8289b4165b68a9fbb3fe2a1d57103e85ca5",
    "signature": "0xcd94b035264d4af8978126cef7aa966159115704428e1b5739979b73fc00698e7de3fa941588f8c0f6d797d23e22f1f4723ef4ece301b9689b5c1642901458581c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}