{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xee60608092063aced3423d2eb23be9c39acb7243595daefbb7fad23ce89f625a",
    "signature": "0x914369cecee01ae10e530916ebc78e6eb64b015f732bb5ebf2302f21034c3276012557eb758796886b40b1d1fc9abe045cea7a1ca5fa96a2c1110fc3dfc379a91b",
    "signer": "0xE4afBd70a7415430f117DC240791b402600908EB",
    "userId": "22454"
  }
}