{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x7760f70450c2ef91ad948a1b976dfa39010c625e2fafe8d3b926508de35cf011",
    "signature": "0xececdadc6d879637ecab7d45a826f90c0d05677ed697f22dced76a4f6e1e09a80aa812ec527d1950a4efeb6e1b7e24a9ce60463f358621fbb105d2a0612590281c",
    "signer": "0x28E041745695914518512137a56c9810034C10B9",
    "userId": "134529"
  }
}