{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0xdb3518a0f749dc226cd173ecb9c28fe9018de67c7a01e30958bc9d7eb039f563",
    "signature": "0x6059a819cf481e6523dbe3202c14d5978459d560848336e42436542ff2fa9bd37873a142e0021b510813a4038b9d1222e7500a271d52fa7754b6a10e1f60e3571c",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}