{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932335106",
    "entityType": "User",
    "nonce": "0x817a9bec7af11a5161a7a5016f37b96c4f022be0b585d1f051d8ff6d05dca834",
    "signature": "0x3f558890c4d286feb904b80922bbfee10330b36a09b4086fc2c239f3fe49504a2810d108fd4434e255f65c94d223b55ee6eaed51043cbf7e386e1769a2f57f771c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}