{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x3491a5abda6315aa090abcec80e180891fbcad2709b894718beed258769a9321",
    "signature": "0x5772011a6d7a1bcc6e7055a79a0c6e0c1bbc440278e74cc80fc1c02cadfe5c6d2767af596b9f0995d93e609475e7ac2846b7a574e56b462ae1656768ee88346b1c",
    "signer": "0x704b735698b4AD6E9E2136A2BC9C2385B38148c1",
    "userId": "635918520"
  }
}