{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "672",
    "entityType": "User",
    "nonce": "0x0928ccd0e2f8cd248827528bbba6d52431e433b47b0680f468b22f0e5480dbc3",
    "signature": "0x2c615b80032e040eba49c5196e09ce4b8244dcbd0dc5c250ba59646fd8c822583e76cf55e012ae5aa2e80e82bc2360893f552c46e9b89db95a2cba69fedc1b811c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}