{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2f02fa2bf56832c7603e52eeb9631474f12ea618e94c1e456e828492ee91cf16",
    "signature": "0xc69248c11518c529ee51139ad469b3ada86bd8de200e503c41328b55a6f390715de52785104ed19e9d1df35b83160ca00bebd57bab5249d1d51f66258d95d5411b",
    "signer": "0x79cad6fb9ead68f49f798fbF40E190476FfDd0bD",
    "userId": "354227603"
  }
}