{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0c25046ced19c6a4b376be9f0ff272948d33c85945ea676f8a129c3ee64a3ae2",
    "signature": "0x6e5b649406cfa90063e5e36fd1d5861e0a392d463cffe1d1fcaeb504048638aa4feffa2a498c3df7373a1f474e536193b6540c339937469e970842043da55da51b",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}