{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50962",
    "entityType": "User",
    "nonce": "0x0e25fbfc03ebb1bc57c8fa1c15584f01149eb020b9e9c41bb664f01923a2df20",
    "signature": "0xf6951fae8b7efd37ff1f30d4113aad1b27e33fa41cd6b69279887048c02124d6692366451edb0416ee9a404d5e04a05c9ffa670eaf694d24e3ec49ef083d03cf1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}