{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x248a8e7fb7cf610e61197ecbe4b4828b46e87d2e7aa84a9331b74904b338b4c7",
    "signature": "0x276435959b37f4123d6c87bebb2c45643c41e145e354f0d9659128435ccb457c442f44a6650926d94598dff6d0d82acbb7b6ad7a84abb46a99cc33d311d53b141b",
    "signer": "0xbe56FD80953Efe45dE652BbEC4d4cF9Ec08C3D73",
    "userId": "984405849"
  }
}