{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x489d1cdfa64a34d4fbc14e62e887fe55ddfdff52858e9f1690f990b354aa2b40",
    "signature": "0x006ce5ad196c0207b189f11422a01bf83ab6569b80a23b3fd5ab58ae9f968a17047307746845c1adcd8db10927eba8ed13ba93263157788f4e619c45066533801b",
    "signer": "0x8493eB5E11cf6A8721550b1FE686220839817B51",
    "userId": "759225695"
  }
}