{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10238",
    "entityType": "User",
    "nonce": "0x2f49f3a8a9930a800dd1f6170f8a3ab4106381b07d543dfa580fcc3609f3f79d",
    "signature": "0xc96a74a9235414253d0ad4c0f29bf8d926e35403fbe55afadb9ece1d2e46996647e025e777339876edaeaa97f1dd6727b263a9259fb66f5b13c7b19ac85f3e371c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}