{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99914",
    "entityType": "User",
    "nonce": "0x29ec8f9813c071f97af0d73d0e6c8b135d61f32f82a207d776f967f3da65726b",
    "signature": "0xdeaeef31aee976b33f17c5b4723242b8dd1687431b5895068717732e69c621041f703fca13836d91d3cd077356f1cc712132ea9805926d38fc5a50413a8f17a31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}