{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x875e7b532507964e94096d45048fd4a00d2a08b3b3599414d37841549c9bd51a",
    "signature": "0x4b363d25c160d428f59278b5c2001f91c59ba74dda1e23a5f44d9bd22d49193e0d5ba14dc3848d56ff2a5ab08cf8683c74c19240a32d0d490e8d44096ba418a01b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}