{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51978829",
    "entityType": "User",
    "nonce": "0x3a3fb668dd4ab9a83a3a74b58e09aa285a58339b5193814a67736d6b48aa1bd7",
    "signature": "0x71d63dc897556ecd093ff5cce866265405781905961fd8487d2295bdf213c7ed37f56139daaa1bc509c2586b4ee14afea9ed2491c1f467f774295ed5eb547e321c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}