{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51706",
    "entityType": "User",
    "nonce": "0xf8c15f52a9b3ff936a3db0dd6c8ae543f52e5982b328a724a62d55898b28aa70",
    "signature": "0x0dbf64724b38e89dc942801ce044cff3d8d72f46109733e5443a00ddbeac26f02790a03e8298d476e678a7dc509e2a88584ee0e6ca2d0a1977271604aa27fa0f1c",
    "signer": "0xb070972972ef5B5E404741ADCAc11792d96Aa436",
    "userId": "228777558"
  }
}