{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967172",
    "entityType": "User",
    "nonce": "0x919266696513a02c0716dbd9dcfa62c8bb5492c5d9f5caeda99624553fd3d937",
    "signature": "0x61964f7dbe3987a63829697d51898340f91ee2413553cd67e04470d36507d25a3289c258e130bf67fcd5aaf1c33ffe5c7f4b02c370638b37fe7e06017e5a40e31c",
    "signer": "0x8D4C92F56Fc0052e4B6a8C64B8f4513eb117bB33",
    "userId": "59273070"
  }
}