{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177494",
    "entityType": "User",
    "nonce": "0xf469ede7de5e40cc400a91ab34dfe090b42fd2300cea37da648595fa1617bf85",
    "signature": "0xd54f0eeae724821f7228a1400d5895a47e73d1b234fed9e23151443084e47e9b79efa6aa0fe0ac63389c444f7ea450823b29791c58e07d78ff3223b93f8d55171b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}