{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x098bfc05aafca451b884d0690bbb60b1e89e7ad2aa0a85bcd64940b57eb4c969",
    "signature": "0x65144c3b2ca0114afb78c2e96f9d110a46a0fbfc449745a011e1ca3ad651048b12ac17591f26285433d7172049d9657ba2c7cdaec2fec37c3c63b414871dafa81b",
    "signer": "0x6e266C64e0a0663ECa17a3Db2a90921911fEe226",
    "userId": "455977854"
  }
}