{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xda390be91679600f8a1c8c94eb86087a30e8bba6a1f00f90292e3e3b56277aa1",
    "signature": "0xa8871c9d33714e87d35f47515b3e8677407b0eb39c2b92c9fe1ffe1f700675bf3dcf5ffde48ecc9699ef558283ef75e7ab95b470cb9bc94bfae12a11805ed94b1c",
    "signer": "0xc1F82405E2FC55De9e9c8AE1d53d3070086243E6",
    "userId": "221018654"
  }
}