{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359274",
    "entityType": "User",
    "nonce": "0xfeea7a5309b9aad9f6e4545f2865ea4d5b3518b721f4bfe6016e0e3458732140",
    "signature": "0x28492c4c701594333737ddc8c5a8dc322b206d4277c8e5c45956e60c02fae47d1b591463ef464c386774de226447b485a81b8b36de20c3edcef573bf03664f861c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}