{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785956",
    "entityType": "User",
    "nonce": "0x678939a6d085f1465e2f2c91df97787aa9d5d5cd642af68b8f91532148f6a921",
    "signature": "0x849be11426d42a41545663781f32d1a2e22e20c9a00f981028ef4dcac9f9e6862e2a20c93a4897cc5016ec4062bd09a600633ff68b33ea64760503b0f26b83831c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}