{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x9122072972149e302b217219973347f6fc12873eb554d65c567661943b93c043",
    "signature": "0x73062ad72cb5ed34d604a3d1bfb7a191387cde7ebebc154960fd773f37ceb0a742d4ba62a676218419e1ce078eb7acc3904d250434f38cdf1863366745b1066c1b",
    "signer": "0x261c17dd7171Ea18B7ffF1AbB7D0495fEa0dB0ad",
    "userId": "185086709"
  }
}