{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x20cb897c684e6176e33462e65259c7cee1c0845fb965334599e47160cbd23494",
    "signature": "0xdb5987b19974cae1e68318507b4b9500307bdb8a61701b601c3c08b5cfdb748d237bd7bd0b54320afe3c6141b7135739fe7aa5a46a0b68db43fe8aa23aad87b41b",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}