{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151430",
    "entityType": "User",
    "nonce": "0x54671bb541af01df12f73bbe0dedffa82893949d281b0176f3a9df3b52b72f69",
    "signature": "0x398179a0307b18dffe36e3d21d2c1e146448ec2797f3b4129fe34be05f255ae2040bebb84aa424146efe09865c3c557f5a6ed96d4016ce08ae5965223864558a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}