{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145852",
    "entityType": "User",
    "nonce": "0xcb59f298c797f38795086089da39e2a2375bfdcddb8e9531f5bad7d800b70f90",
    "signature": "0x24496207641ad0d26a7fc4e0081a38019cd6493e7c37c34f89166e49b7a940be3863a55f4fe06e4b5b5a8c59dbe090ea0d71d630ab4489bb2f7f6e513d2cea311b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}