{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164883",
    "entityType": "User",
    "nonce": "0xf7411c5c06c7b2a4b76cab88979f80f683d4afae0ad381de3ace667e7b70a664",
    "signature": "0x2f5e101a3c6aec5359b19b4870b6406e9bf480ebcccbe871509abc8a80689ac06f5639b6be39707279b3a4027c9b9d1c3fe73cd4f82e73e91449f63e5423e7101b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}