{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389046270",
    "entityType": "User",
    "nonce": "0xac0fe3b410106457c941935855bf416912f3ccfe87071c90570c3df4180aa744",
    "signature": "0x4e44e86f247da0e46bb6f56393c93df4e446d3bcae1ca1e531711064104876791bd44e6e1d95738fb07b76568b0f7ba388a5511b0d060e71a8f6e24e0127bba71b",
    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
  }
}