{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155352969",
    "entityType": "User",
    "nonce": "0xd8df8792c04c3dcda4848bd4c9329d06d5276d70ad3513993daaa0e3a1377dd1",
    "signature": "0xdeee7ffcee73cae943830c7dc3f08af659840132efb750be138ca0c0026258797d6f916b109d900a276a9ca508dde163eeb1cb7b1b216d1ba70f46d0eec0fa581b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}