{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14811",
    "entityType": "User",
    "nonce": "0x8006f8ea1bbda1f776e5bf5e22820bf485dbd0dc20621df4ad6f2b88601d984d",
    "signature": "0x1b57819c1b7fe76867ef8f239e3aa06ea8783460c70bbf33f5b7dce6d01d88c361311678a5303aed30e913901eac8927237068cc84bc356bfdcd15930cc814521b",
    "signer": "0xDCBa834070cc02e7e4bd536cD1644e43e6C941BD",
    "userId": "214528491"
  }
}