{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x6f3fdb1ef0afce2f5b8c6ce240a5cb13676bc37cbc371bda3d1625d5607aeaf5",
    "signature": "0x0282a4a14291c952b3379fc3a19099894c94ff7ad9ed2f48fc7d7a102da90c411a64a7a5b1c2c253fa6b40f166a28495ebc7a9efb853a3bf709bcc12ba91e6401b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}