{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x626ff297d92ce7c84aab741b70a5ba909c4929f1044c68a084a30f06e075f040",
    "signature": "0x5f3cd7d3197797dd2ff292f2c53515ce08a4e52779bd91d054ccdda3efd631201ac1c0e8924acbcd0022af37a6f9b36678503974d084e6182dcabb5cd14764441c",
    "signer": "0xFb732aa095bBFfBCD949e04e3FC3808836F95147",
    "userId": "102280158"
  }
}