{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0xdf24f7b43345d46382169d49cf20010300c4acd4412f2ce8e169e43ab25e36cb",
    "signature": "0xb795a7d16c73c5f51b4c344dd0aa80d8ac04569f8677d60936a1c2e3f21f3aaa1f039242d30133135a9acfdb758d1a231f6d4dfad94f969e3d28d973f4e08c0c1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}