{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x33b2651b8c93df16b28dc978bd01d9baadc9aa085de41a8f11fed9e96cad9f6f",
    "signature": "0xf55c7192fd8dd59f8bf47b77e32e98ffbb537cac13d5ecfec3f5d7accb8027973e35e2cbea434fd400d3c0f492a3dab4b5757b2d2b5ead0567d14c9d6e21abea1c",
    "signer": "0x6D083A8068F758f0b1EcF99c1788D7F450A20F5d",
    "userId": "977294736"
  }
}