{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ea064bd20d336d4f243eee9941db9c443e974d57239644280be965356fade8c",
    "signature": "0x6c4007496e7b34fa4c17a9384cded60f7cbe33c6bfb1dcdc870cdf2e0144900364d729b44a748469ef8ccc8217cf79d48164b8ebb723ed722a05d9edc04f6ba41b",
    "signer": "0x980AeeD86E76ae7266337DdBE6f3d8C84d4d3f2D",
    "userId": "897527045"
  }
}