{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223358",
    "entityType": "User",
    "nonce": "0x0b07379027ca8539ef0729fe2b8ebcb0f38ddc3b2017ab8aec65a83efedb6ecf",
    "signature": "0xa3c3df6ed2267b52844c72f47f076f0415f5668096b8a53373750af655f1fc1c0a7b9ab3c31e6846f9555d1c1ff660e423f92f67ab0c3f920f6ad696af4be58c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}