{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197768",
    "entityType": "User",
    "nonce": "0x1231bc6076c370f4a01a626a3eed3dda4bcd54a19291c1ef78acbfe1dfd2d327",
    "signature": "0xdda1dc2a73ab565e0eb5c28ba100a12a6f583924fa40c897f4339eac5200cab4239868c071f6c8746c492c3591f2e980afbf5335622641b567ac7614f45504e91b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}