{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8cb26237e6760db3efb156ffc1ae2908db5f9cb4d222e5f9d89398d8dc9f1605",
    "signature": "0x688e64a9bd0a382c4febdad14f5115977e0c120ee850d825feccc9f209658d62239ef7594e75247793d32c9458c55fac3c328a49c9fcda29ba35886e73e910f21b",
    "signer": "0x2c6557DFe21Ed7d8Ad3635965D6Aa4Be9CCFDE87",
    "userId": "444019255"
  }
}