{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97350",
    "entityType": "User",
    "nonce": "0xa1c55f18ba11bcf4c9f8e748ea2781793d29778b197bf80d45214bf61c8dd4fb",
    "signature": "0xafdad2b10b4aca6570cf1716ada052ee63cdf161a635a7e7cd4376ba9be39f595d349c48afc014ab4ee7fceab40e8b40dd4f05a204a566cecc3c8d88aa57899e1b",
    "signer": "0xA739dcF500cd89EB8c79d566B8724e0B1e992F6B",
    "userId": "661833713"
  }
}