{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0xaa05d882f1fc7d1e6164852ffcef62776ffba1a93d18198ed34072196a9904b2",
    "signature": "0x25439aa204e30167e0d541fddfed96c023f7eb205bbcb3995d12d032d93bd3846f6aa091f67b0832e8ab81d4100197cded5bf103a67e16d11c8c3cc9525ebdca1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}