{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x05740833b651bffdc93945e7ec94c50d8824d3b048592e49047331a5ebdea96d",
    "signature": "0x72176c1af8e1b1a10afaf1da6ea8e0190aacdb2d9d2a0d92e3150947b5a0139b5e830847ccdca6dfdfde5f8911ab15079a09f74dcf50a875b20720716155ace71c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}