{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd985202c6dcebff9165983667bab5ca943277b721e0fc703f8ca304ccce08a1b",
    "signature": "0xae79c2e8e965918c553b52af0b0651cb83aee46971a0aeda73ce95bc0226cbfe3e5e7f6ebd63a60f23ad2616d06d6f261c91381003ecb0149f9af336ab4192261c",
    "signer": "0x81c8AA76c29E445c135597092DCCEC0873390C95",
    "userId": "672982126"
  }
}