{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc92ef68a2d97c8ba414ebd5dc295991584729612814d3c94db018cc558b902f",
    "signature": "0x6ad335d67266f1d1e7b76fe0140cd49bc1af22e2b0b09847227c4521d26e6d4a67d3d7c52ac1991fcc592da54186833e150c19889bd43cd3efd703c59d2e5c8f1c",
    "signer": "0x104002517d5CE3e38675Befe8ffa06FaA8Bfbb6C",
    "userId": "286303008"
  }
}