{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22843",
    "entityType": "User",
    "nonce": "0xa4b1ad01ea455500965531a7d901dd8c4545b858309c32c6f00b3311416431ac",
    "signature": "0x15d581013fc479e7b237a6ecf1c5d455d155d6a8327bfa430194d0339960b68522e1a245559315cf71e8979a2667f2d2081f19a73bc89dbf1898b7446eefa1711b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}