{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295086",
    "entityType": "User",
    "nonce": "0x9ec0ef593f2126d3a9998ecb716b2be090af9d23e20cd29b6432a59b46ea96f0",
    "signature": "0x20885bf57d7d8f27a324d6022e398d695d9b78150f5356c174aa39982e708a2e40d0925bb67039460b6f2a4b6ac95cb66ef8dd4f51e578106b56642756ba1bbf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}