{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305415280",
    "entityType": "User",
    "nonce": "0x55b3deeecd054731b34999e5d7d5c592f2971b479d91da0dffe7cab750e530f0",
    "signature": "0x8a79d9dddcc775c716308a8f0636f51e491435ba39ec45289f4abbda97f1931b40ad158428e7462274c7a75e0b6182aa2e781d3a9bcda737f5475201ddd3d57a1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}