{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950751701",
    "entityType": "User",
    "nonce": "0x17a40f293a2e566225d21b17d25886abbb73f9fe875595c9d2d688e45780d15a",
    "signature": "0x8f6708a3e81fd15930eda14cee8a44ef54fb36a611322bdf9ad3236e7e30339b5efb65936a111eea65efbf190d7c592ee06e1450693c3250405f68805a94acdd1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}