{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49515",
    "entityType": "User",
    "nonce": "0x57266b3b132ce5f80c7b6cf5242477f69b4d13cad60a1996f3b0b9ba023212b9",
    "signature": "0xa40dec9dfeb9059d762e0d38e900e469cb43291e20683897a7c15b74f5e531285d939a743041ce7631f77ad0c72650c9a9493a8066f86b4b9962c55d54dff88e1b",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}