{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55263",
    "entityType": "User",
    "nonce": "0xa89df370d600138d9dfcc96847e362219714a715fa447eb900e59bd9b1bca771",
    "signature": "0x9fa407016dea4fd9dcc75ccdfcaef3edaa399bf42c36af73afa7b1ea7bae342d25da65f85f576b7c364e537a6f15fcf7206288ee07790da7df41112f4f1187001b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}