{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156762598",
    "entityType": "User",
    "nonce": "0x167bdde754161a4e72538417770e47573ba336f93684ae659b724c2f00fcf0a1",
    "signature": "0xa095fe2f2de845e9192e015b6ea4b9344aa150fb45787234fd1ea772e868e351273d69e37f2c70b44630be6a3c21d9b617284f1c03473a8a1e875b1b58414ac01c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}