{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0xbee291bbd35bbadd1ef53254ceec272df5c33fc444588fdd7726088651d01d9c",
    "signature": "0x89ee2ae66ecb94ac7a6f8a00c1588828ade98681231c94738abd28e2d2c67bd265a493cff26ca66646f97cd10d0824f8cdb53afbf00bf98422e7407a5b07cce71c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}