{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x98a07de655744218a50dbb5aaab120bec5c4d9e9d9670252d47805bfd0aede44",
    "signature": "0xc05cba35ed69fee347c9736b840747b1b512c70c737bd45520e269a756295171332de3a74e3e934f27bde1a7b2809026b44567c3238c30d918d8b9fbb25b301c1b",
    "signer": "0x4ec0618BF74aDf72181673DDa518f0bf7781DE7E",
    "userId": "703354792"
  }
}