{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360387",
    "entityType": "User",
    "nonce": "0x0c1c2a1e062f7b60039d01066a60f44665d301b3c74f8003ec33bc444ffc2b21",
    "signature": "0xd50c1a53d48846263a5abab405d66ff02b63dee2af1edbbddf539273a4c04914682729734ec872b263b78f83bd51165f14cb3db682ac9fa0ad0e57a72db40d431b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}