{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956567980",
    "entityType": "User",
    "nonce": "0x138e35696b1f89f88e44c875326bfc46fc6d2415241aac766dd4e80661a841c6",
    "signature": "0x26b423bd4d19dbbb569758d2b3c0898e8ca7598a0c298dc76d3d26528fe015031c12e28c679521978e95237c2d87c4b9b7dadbaff07171d2f63edf41fbc15d2f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}