{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17091",
    "entityType": "User",
    "nonce": "0xa6d2034fc44a6f79298dde21ae7180b924f43087de60c918deecc8fb00dcfb80",
    "signature": "0xf13f7e3e238de513baabbe011df7af7781cfe61c9d56a7fbb5f1aebb1c210304134fc3081cc62c7584329d4aced6d2c3b459a280418276219ae504e69faec7191b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}