{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7ca3cf4a05ea08fb8ceb3e3132b6e1c4a80432b2d228ad4fad2c5fc9b481b12d",
    "signature": "0x68851149e7eba21f758fde87c36c1d7da285bf7758abe27e2696643f956e7d913ae38b99861daf4818e7bbb875d74404c41240daf723a9e68e874002f6802b661b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}