{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "679114260",
    "entityType": "User",
    "nonce": "0x8417e2b46dd476e12db1ded9c6e854292eab4beae94242f9a22c836ee5c343f6",
    "signature": "0xe62d7a665f4267e7f82e23433b1b4efe25c7183a786d906049ef540f82be90b3361869da061f0560f8605292e22cd54cb812e81818165210336e5d7a4db12ab41c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}