{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55586",
    "entityType": "User",
    "nonce": "0x3159d0c817ea452e6eda105503a21db9295d6ecb26cd45094c7f5bebdc112b25",
    "signature": "0x713dd131d8116372053e116800d5de3a99077ee7a8688cead847689c62ff50224f52498cd01c30c6f0e9536dfd23edd9eb6df3bfb62075857e523bb10cb49ac61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}