{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8afb44e7065cfee2bc6bbb475b9ea1efa78ccfd4db6b3d1d6da11b3b780b9ce4",
    "signature": "0x6adbd739435f88e35fe4bdaddc6f7acf771956a9bf9cdc69674eeac42c68691c5f35007761704df53cc629d33177b5ca36f4d03140fe832e40c9b1d4d06d58c71b",
    "signer": "0x697Bb9365bce0028D36116E87976C10032334c1D",
    "userId": "46191477"
  }
}