{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0xd1d0418187aec711d27f6b4f4ee5e4dc69464fa862d0cd5a2f288aceba139c91",
    "signature": "0x4cff4ce671dea57a66c001a4364cae6bb294afca01ca25d3ac4e52a95cc63d7d64cb5deda9c49dcce9693e1e36ba10120dd1bd72768317ede63ae4837502e4e81c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}