{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281682",
    "entityType": "User",
    "nonce": "0xa67fec9a4e27a3b13f932d78f864435707711072c62f6cd67bdff69904ef9101",
    "signature": "0x5bf1b2974b262b4f007b20e794b5a6bdab1f47ff1a9ec87e014e4c7149d777203521e3591ead07ed53a5127462669360c76c696e6a262d172cb0a4151a463d441c",
    "signer": "0x1a14b86421cFD1157bB52D3B0799f0B24a926D3e",
    "userId": "693608897"
  }
}