{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0xecf792f05841547111088ec75d9e2345648fa10e393715108f286743693d4fd3",
    "signature": "0xfba93a300ef932ab9ebf7388186b8c17a61c72726ff7e46b12d6cd6266ddcfbf4d95e3b0473c2787265f3c2d0242a7b193d83531f7db66978005801ca7be453d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}