{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x966ce26d1df487f106590787c39e2e35efef3ff3b28fd9fb81600c3fa526c1cb",
    "signature": "0x3f1e2bbd3a5fde94f13ebb6749ce2e70d41ad9e03f635fc735e03374e1ae565d6220554b0993bf2a91f1574f7af3123cf56c621c761b23e3c8b29aebc46072701c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}