{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84856",
    "entityType": "User",
    "nonce": "0xf050f5c8b4040863c3eab1715934d60d0d2751c481e62ea753908130fa6f23be",
    "signature": "0xb913730d3d42fc289346e7f85508f757001c26ac1bc003130ad991559208d3277d64825b703697747a659a528f704fc0039b72fee1e669a64a51f5782df7d23b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}