{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48765",
    "entityType": "User",
    "nonce": "0xf69a8d399d27497c7c838e506d46160189dbb218e6ddd596b0a3690a80f6e684",
    "signature": "0xd89b5fd3ab82c9f607467fde4d91387b30b423f473b4e970a9f5b3cd6ad7b8e51a5ec146941d943a89df024a147cc6f61edd978e7950cab97641ff72f2d2a3eb1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}